40 Process Image
WAGO-I/O-SYSTEM 750
750-658 CAN Gateway
Manual
Version 1.2.1, valid from FW/HW-Version 01/01
6.3
Process Image in the "Mapped" Operating Mode
Figure 12: Process Image in the "Mapped" Operating Mode
6.3.1
Mailbox
See section "Mailbox" in the "Sniffer" operating mode.
6.3.2
Toggle Byte
The toggle byte is a fixed component of the "Mapped" operating mode (see
respective section). It is one byte and is used to send CAN telegrams on request.
If one or more bits are inverted, the respective send groups are affected. All
assigned telegrams are created and sent. The toggle byte is behind the last byte
of the mailbox.
Table 21: Toggle Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Toggle byte
Group 8 Group 7 Group 6 Group 5 Group 4 Group 3 Group 2 Group 1
6.3.3
Mapped Cyclical Data (CAN User Data)
The mapped user data D0 to D7 of all configured CAN telegrams is found within
this range.